From owner-freebsd-questions@freebsd.org Mon May 20 15:37:21 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8031015B0674 for ; Mon, 20 May 2019 15:37:21 +0000 (UTC) (envelope-from ml@netfence.it) Received: from soth.netfence.it (net-2-44-121-52.cust.vodafonedsl.it [2.44.121.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "mailserver.netfence.it", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 493B8838C9 for ; Mon, 20 May 2019 15:37:19 +0000 (UTC) (envelope-from ml@netfence.it) Received: from guardian.ventu (host246-214-static.47-85-b.business.telecomitalia.it [85.47.214.246]) (authenticated bits=0) by soth.netfence.it (8.15.2/8.15.2) with ESMTPSA id x4KFb6vm045348 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 20 May 2019 17:37:07 +0200 (CEST) (envelope-from ml@netfence.it) X-Authentication-Warning: soth.netfence.it: Host host246-214-static.47-85-b.business.telecomitalia.it [85.47.214.246] claimed to be guardian.ventu To: freebsd-questions@freebsd.org From: Andrea Venturoli Subject: Debugging base system Message-ID: <07ee9dfa-a219-eecd-6a21-968213de16f2@netfence.it> Date: Mon, 20 May 2019 17:37:09 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.83 X-Rspamd-Queue-Id: 493B8838C9 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of ml@netfence.it designates 2.44.121.52 as permitted sender) smtp.mailfrom=ml@netfence.it X-Spamd-Result: default: False [-3.91 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:2.44.121.52]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; HAS_XAW(0.00)[]; MX_GOOD(-0.01)[cached: mailserver.netfence.it]; NEURAL_HAM_SHORT(-0.78)[-0.777,0]; DMARC_NA(0.00)[netfence.it]; IP_SCORE(-0.82)[ip: (-2.47), ipnet: 2.44.0.0/16(-1.23), asn: 30722(-0.46), country: IT(0.05)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:30722, ipnet:2.44.0.0/16, country:IT]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 May 2019 15:37:21 -0000 Hello. I'm dealing with a weird problem and I'm trying to debug it with gdb. I'd need step into FreeBSD's own functions (e.g. printf), but I wasn't able to find how to achieve this. Is there any docs I can refer to? bye & Thanks av.